How to Check Who Is Using Your WiFi and Block Unauthorized Devices (Complete Guide)

In today’s digital age, WIFI is a basic necessity—whether at home or in the office. However, unknown users can secretly connect to your WiFi network without your knowledge. This can slow down your internet and even pose a security risk to your personal data.

In this post, you’ll learn:

• How to log in to your Wi-Fi router

• How to check who is connected

• How to block unauthorized devices

• Step-by-step guides for Tenda, TP-Link, and D-Link routers

• Extra security tips to keep your Wi-Fi safe

🔐 How to Log Into Your Wi-Fi Router

To check connected users, first log into your router. Below are the default login links and credentials for popular routers:

⚠️ If you’ve changed your router’s password before, use that password instead of the default.

📶 How to Check Who Is Connected to Your Wi-Fi

1. Open your browser and visit: http://192.168.0.1

2. Login using your router credentials.

3. Go to the “Bandwidth Control” or “Connected Devices” menu.

4. You will see a list of connected devices with:

   • Device Name

   • IP Address

   • MAC Address

🚫 How to Block Unknown Devices from Your Wi-Fi

Once you identify an unknown device:

• Select the suspicious device.

• Tap the ON/OFF switch beside it and turn it OFF.

• This will immediately disconnect and block that device from using your Wi-Fi.

🔧 Alternative Ways to Block Devices (Router Specific Methods)

🔒 For Tenda Routers:

• Go to: Wireless Settings > MAC Filtering

• Add the unknown device’s MAC address

• Select Mode: Deny

🔒 For TP-Link Routers:

• Go to: Security > Access Control

• Enable Access Control

• Add the device and select Block

🔒 For D-Link Routers:

• Go to: Advanced > MAC Filtering

• Turn on filtering

• Click Add New Rule, insert MAC address, then Block

✅ MAC Address Filtering ensures only selected devices can use your Wi-Fi network.

🔄 How to Change Wi-Fi Password for Better Security

Changing your Wi-Fi password regularly improves network security.

Steps:

1. Go to: Wireless Settings > Wireless Security

2. Enter a new strong password:

   • At least 8 characters

   • Mix of uppercase, lowercase, numbers, and symbols

📱 Control Wi-Fi from Mobile Using Apps

Use the official router apps for more convenience:

• TP-Link Wi-Fi App

• Tenda Wi-Fi App

• D-Link Wi-Fi App

With these apps, you can:

• Monitor who’s connected

• Remove unknown devices

• Change password remotely

❓ Frequently Asked Questions (FAQ)

Q: What if someone hacks my Wi-Fi?
A: Immediately change your password and enable MAC Filtering.

Q: Is MAC Filtering safe?
A: Yes, it adds a solid layer of security. For best protection, keep WPA2 or WPA3 encryption enabled.

Q: How often should I change my WiFi password?
A: Every 3 months is ideal for optimal security.

📌 Conclusion

Simply setting a password is not enough to protect your WiFi. Regular monitoring is essential. Always check which devices are connected and block unfamiliar ones. Stay secure, stay smart!